飘忽

飘忽	piāo hū	swiftly moving / fleet / to sway
飘	piāo	variant of 飘
飘	piāo	to float (in the air); to flutter; to waft / complacent; frivolous / weak; shaky; wobbly
忽	Hū	surname Hu
忽	hū	to neglect / to overlook / to ignore / suddenly